题目内容
13.Police are trying to find a ________ witness who may have seen what happened.( )| A. | sharp | B. | valid | C. | vital | D. | stable |
分析 警察正在寻找至关重要的目击者,他可能看见了发生的事情.
解答 答案是C.
本题考查形容词词义辨析.A项表示"锋利的,敏锐的";B项表示"(法律、文件等)有效的";C项表示"至关重要的";D项表示"稳定的";根据语境,警察在寻找对解决案件"至关重要的"目击者,所以答案选择C项,其它选项不符合逻辑.
点评 辨析形容词要在识记常见形容词及其搭配的基础上理解语境,根据具体语境推断合理的答案.
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